CN106034038B - Prevent the method and apparatus stacked that more conflict - Google Patents
Prevent the method and apparatus stacked that more conflict Download PDFInfo
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- CN106034038B CN106034038B CN201510111185.8A CN201510111185A CN106034038B CN 106034038 B CN106034038 B CN 106034038B CN 201510111185 A CN201510111185 A CN 201510111185A CN 106034038 B CN106034038 B CN 106034038B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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Abstract
This application provides more conflicts to stack detection method and device.In the present invention, when the link between the logic stacking opening of member device and the logic stacking opening of opposite end member device disconnects, negotiate to determine whether the IRF divides with the opposite end member device by the network management mouth in this equipment, when determining IRF division, determine whether sub- IRF belonging to this equipment needs to be isolated, when determine need to be isolated when, be isolated belonging to sub- IRF with sub- IRF work belonging to inhibiting, when determination does not need to be isolated, controls affiliated sub- IRF and work on.This can prevent the duplicate IRF such as independent there are two or more in network and three-layer network configuration such as IP address, avoid the network services such as route oscillation abnormal.
Description
Technical field
This application involves network communication technologies, in particular to prevent the method and apparatus stacked that more conflicts.
Background technique
Intelligent elastic framework (IRF:Intelligent Resilient Framework) referred to as stacks, core concept
It is that multiple devices are linked together by logic stacking opening, progress is necessary to be virtualized into a combination plant with postponing, should
The combination plant being virtualized into is known as an IRF, and the equipment in IRF is then known as member device.Member device in IRF is logical
As soon as crossing Master election contest mode and choosing wherein member device is main equipment (Master), remaining is from equipment
(Standby).Fig. 1 shows IRF structure.In Fig. 1, member device 1 is Master, and member device 2 to 4 is Standby, at
Member's equipment 1 is direct-connected to logic stacking opening is passed through between member device 4.
In the application, because phenomena such as logic stacking opening abnormal (Down) in IRF on member device will lead to IRF from one
A to be split into two new IRF, the two new IRF possess the configuration of the three-layer networks such as identical IP address, this causes in network
There are two independent and duplicate conflict IRF such as three-layer network configuration such as IP address.It is false for the IRF shown in Fig. 1
Logic stacking opening Down in IRF as shown in Figure 1 on member device 2, then IRF shown in Fig. 1 be divided into two new IRF:IRF1 and
IRF2, that is, occur in network that there are two independent and the duplicate conflict IRF such as three-layer network configuration such as IP address.
There are multiple independent conflict IRF in network, will lead to the network services such as route oscillation exception.
Summary of the invention
This application provides the method and apparatus stacked that more conflict are prevented, to prevent in network, there are multiple independent conflicts
IRF。
The technical scheme provided by the application includes:
A method of prevent from conflicting stacks more, and this method is applied to the member device in intelligent elastic framework IRF, described
IRF includes at least two member devices, which comprises
It is described when the link between the logic stacking opening of member device and the logic stacking opening of opposite end member device disconnects
Member device is negotiated to determine whether the IRF divides with the opposite end member device by the network management mouth in this equipment；
When determining IRF division, the member device determines whether sub- IRF belonging to this equipment needs to be isolated；
The sub- IRF is the one of IRF divided by the IRF；
When determine need to be isolated when, the member device be isolated belonging to sub- IRF with sub- IRF work belonging to inhibiting；
When determination does not need to be isolated, the member device controls affiliated sub- IRF and works on.
A kind of to prevent the device stacked that more conflicts, which is applied to the member device in intelligent elastic framework IRF, described
IRF includes at least two member devices, and described device includes:
Negotiation element, for when between the logic stacking opening of locating member device and the logic stacking opening of opposite end member device
Link when disconnecting, negotiate whether to determine the IRF by network management mouth on locating member device and the opposite end member device
Division；
Whether determination unit needs for the sub- IRF belonging to when the negotiation element determines IRF division, determining
It is isolated；The sub- IRF is the one of IRF divided by the IRF；
Processing unit, for affiliated sub- IRF to be isolated to inhibit affiliated son when determination unit determination needs to be isolated
IRF work；When the determination unit, which determines, not to be needed to be isolated, controls affiliated sub- IRF and work on.
As can be seen from the above technical solutions, using the present invention, in IRF regardless of member device be Master or
Standby can independently detect IRF division after IRF division, and can determine that whether the sub- IRF of affiliated IRF division monkey needs
Be isolated, when determine need to be isolated when, be isolated belonging to sub- IRF with sub- IRF work belonging to inhibiting, this prevents from existing in network more
A independent conflict IRF.
Detailed description of the invention
Fig. 1 is existing IRF schematic diagram；
Fig. 2 is that IRF divides schematic diagram；
Fig. 3 is method flow diagram provided in an embodiment of the present invention.
Fig. 4 to Fig. 7 is IRF embodiment schematic diagram provided by the invention；
Fig. 8 is apparatus structure schematic diagram provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
The present invention provides more conflicts to stack detection method, is able to detect that in network that there are multiple independent conflict IRF.
Method provided by the invention is described below by Fig. 3:
Referring to Fig. 3, Fig. 3 is method flow diagram provided by the invention.The process is applied to any member equipment in IRF.
As shown in figure 3, the process can comprise the following steps that
Step 301, when the link between the logic stacking opening of member device and the logic stacking opening of opposite end member device is disconnected
When opening, the member device is negotiated to determine whether the IRF divides with the opposite end member device by the network management mouth in this equipment
It splits.
In step 301, as an example, the logic stacking opening of member device and the logic stacking opening of opposite end member device
Between link disconnect, may include following situations (but being not limited to following two situation): situation 1, the logic on member device
Stacking opening is offline (DOWN), situation 2, the logic stacking opening that member device passes through the direct-connected opposite end member device of logic stacking opening
DOWN。
In this step 301, negotiate to determine that the IRF is with opposite end member device as how member device passes through network management mouth
No division, is hereafter described, and wouldn't extend here.
Step 302, when determining IRF division, the member device determines whether sub- IRF belonging to this equipment needs
It is isolated.
In this step 302, sub- IRF is the one of IRF divided by the IRF.Such as member device in step 302
What determines whether sub- IRF belonging to this equipment needs to be isolated, and is hereafter described in detail, wouldn't repeat here.
Step 303, when determination needs to be isolated, affiliated sub- IRF is isolated to inhibit affiliated sub- IRF work in the member device
Make；When determination does not need to be isolated, the member device controls affiliated sub- IRF and works on.
By step 303, a sub- IRF after capable of finally guaranteeing IRF division works on, and remaining sub- IRF is
Repressed, this can prevent the presence of more conflict stackings in network.
It should be noted that in the present invention, can be connected between the network management mouth of member device, for example, it may be respectively at
The network management mouth of member's equipment is separately connected hub (Hub), and is communicated by hub (not shown), in addition to this
It can be connected to by other means, so that can communicate between each network management mouth, details are not described herein.
Process shown in Fig. 3 is described below by two embodiments:
Embodiment 1:
The embodiment 1 is applied to the IRF of following scene: only including two member devices.
When IRF is normal, only have the network management mouth of main equipment to work normally (referred to as UP) in IRF, such as to network management control platform
It exports the information such as IRF network topology, is in deactivation status (also referred to as off position) from the network management mouth of equipment in IRF.
Based on this, in the present embodiment 1, in above-mentioned steps 301 member device by network management mouth in this equipment with it is described right
End member device is negotiated to determine whether IRF divides in specific implementation can include:
When main equipment of the member device as IRF, by the network management mouth in this equipment initiate from the network management mouth of this equipment to
The two-way converting of the network management mouth of opposite end member device detects BFD session, when the BFD session of initiation is successfully established, described in determination
IRF division, when the BFD session of initiation cannot be successfully established, determines that the IRF is not divided；
When slave equipment of the member device as IRF, activate the network management mouth in this equipment, by the network management mouth of activation initiate from
The BFD session of network management mouth of the network management mouth of activation to opposite end member device determines institute when the BFD session of initiation is successfully established
IRF division is stated, when the BFD session of initiation cannot be successfully established, determines that IRF is not divided.
By negotiating to determine with opposite end member device by the network management mouth in this equipment to member device in above-mentioned steps 301
The restriction whether IRF divides, it can be seen that in the present embodiment 1, regardless of member device is main equipment or from equipment in IRF, all
Independently it can determine whether IRF divides after IRF division.Wherein, the BFD session establishment being related to when determining whether IRF divides, should
The mode of BFD session establishment establishes mode similar to existing BFD session, repeats no more.
In the present embodiment 1, as a preferred embodiment, in above-mentioned steps 302, member device determines son belonging to this equipment
Whether IRF needs to be isolated in specific implementation can include:
When slave equipment as the IRF, determine that sub- IRF needs belonging to this equipment are isolated；
When main equipment as the IRF, determine that sub- IRF belonging to this equipment does not need to be isolated；
In the present embodiment 1, as a preferred embodiment, in above-mentioned steps 303, member device be isolated belonging to sub- IRF to press down
Sub- IRF work includes: all of the port blocked in this equipment in addition to network management mouth belonging to system；
In above-mentioned steps 303, it includes: the role continued according to main equipment that member device, which controls affiliated sub- IRF and works on,
Work.
Through this embodiment 1 pair of step 301 to step 303 restriction, it can be seen that final a, son after IRF division
IRF does not need isolation, can continue to work in a network, and remaining sub- IRF needs are isolated, cannot be in a network
Work, this can prevent the presence of more conflict stackings in network.
Restriction based on the present embodiment 1 to step 301 to step 303, citing description below:
By taking IRF shown in Fig. 4 as an example, for ease of description, IRF shown in Fig. 4 is known as IRF40 here；Member device 1 is
The Master of IRF40, member device 2 are the Standby of IRF40.As shown in figure 4, member device 1 is straight by logic stacking opening 41
The even logic stacking opening 42 on member device 2.When IRF is normal, the network management mouth of member device 1 is worked normally, such as to network management
Console exports the information such as IRF network topology, and the network management mouth of member device 2 is in deactivation status, and (do not work also referred to as shape
State).
As the logic stacking opening 41Down of member device 1 (principle of the logic stacking opening 42Down of member device 2 is similar)
When, because only having a logic stacking opening, that is, logic stacking opening 41 on member device 1, it is based on this, member device 1 passes through this equipment
On network management mouth initiate establish this equipment online nozzle to member device 2 on network management mouth between BFD session request, when from
When the BFD session between the network management mouth on network management mouth to member device 2 in this equipment is successfully established, member device 1 is determined that
IRF40 division.
Because the logic stacking opening 42 of member device 2 and the logic stacking opening 41 on member device 1 are direct-connected, member device 2
The logic stacking opening 41Down that member device 1 can be perceived, when member device 2 perceives the logic stacking opening of member device 1
41Down also accordingly determines the logic stacking opening 42Down of direct-connected logic stacking opening 41 on this member device 2, is based on this, member
Equipment 2 activates the network management mouth in this equipment, and the network management mouth by activating in this equipment initiates the foundation touching of following BFD session
Hair: the BFD session between the network management mouth on network management mouth to member device 1 activated in this equipment, when BFD session is successfully established
When, member device 2 determines that IRF40 is divided；
After member device 1, member device 2 determine IRF40 division, for ease of description, here by the current institute of member device 1
The IRF at place is known as IRF41, and the IRF that member device 2 is presently in is known as IRF42；
Because of main equipment of the member device 1 as IRF40 before division, member device 1 determines that affiliated IRF41 is not required to
It is isolated, continues such as to E-Packet according to role's work of Master.
Because of slave equipment of the member device 2 as IRF40 before division, member device 2 determines that affiliated IRF42 needs
It is isolated, blocking the port of all UP on this member device 2 in addition to network management mouth, (this is equivalent to isolates member in a network
Equipment 2 forbids member device 2 to carry out message forwarding).
By the example above as can be seen that although IRF40 is divided, IRF41, IRF42 after IRF40 division are not
It working on, only IRF41 works, and there is no multiple independent conflict IRF in network, and then not will lead to route oscillation etc.
Network service is abnormal.
So far, the description of embodiment 1 is completed.
Embodiment 2:
The present embodiment 2 does not limit the member device quantity that IRF includes, may include two or more member devices.Phase
Than in embodiment 1, the present embodiment 2 using commonplace.
In the present embodiment 2, before IRF is not divided, each member device in IRF is needed to collect and store the net in IRF
Network topology, network topology include the member device quantity in IRF；It is, of course, also possible to the bridge MAC comprising member device each in IRF
It is not unfolded to describe because emphasis is not related in the present embodiment 2 in address etc..In addition, collecting IRF in the present embodiment 2
The mode of middle network topology is similar to the existing mode for collecting network topology in stacking, here not reinflated description.
Based on this, in above-mentioned steps 301, member device is assisted by the network management mouth in this equipment with the opposite end member device
Quotient determines whether the IRF divides can include:
Step c1 when main equipment as the IRF, sends ARP probe packet by the network management mouth in this equipment, or
When slave equipment as the IRF, the network management mouth in this equipment is activated, passes through the network management mouth activated in this equipment and sends ARP and visit
Observe and predict text；Here ARP probe packet can not limit for gratuitous ARP or other ARP messages, the present invention.
Step c2, send checked whether in the setting time after ARP probe packet receive this equipment link disconnection before
The ARP detection response message that the opposite end member device of connection is sent, if not, confirmation IRF is not divided, if so, executing step
c3。
Here, send checked in the setting time after ARP probe packet do not receive this equipment link disconnection before connect
The ARP detection response message that the opposite end member device that connects is sent, then mean opposite end that this equipment connects before link disconnects at
Member's device powers down, and then the logic why occurred on the stacking opening of the logic in this equipment and opposite end member device also meaned that
Link between stacking opening disconnects, be all because caused by the power-off of opposite end member device, after sending ARP probe packet
Setting time in check do not receive this equipment link disconnect before connect opposite end member device send ARP probe response
When message, determine that IRF is not divided.
It should be noted that setting time can be preset according to network state in the present embodiment 2, such as setting 10 seconds
Deng.
Step c3, collects the network topology that this equipment is presently in IRF again, and more stored network topology includes
Member device quantity and the network topology the collected again member device quantity that includes determine the IRF if the two is inconsistent
Division, if the two is consistent, determines that the IRF is not divided.
This step c3 be check send ARP probe packet after setting time in receive this equipment link disconnection before
It is executed when the ARP detection response message that the opposite end member device of connection is sent.When sending the setting after ARP probe packet
The interior ARP detection response message for receiving the opposite end member device that this equipment connects before link disconnects and sending, it may be possible to because of
IRF division, it is also possible to be not as IRF division, for example only the connection type in IRF between member device becomes chain from annular
Shape, therefore, it is necessary to be determined by further executing step c3.
In step c3, if comparing the stored network topology member device quantity for including and the net collected again
The member device quantity that network topology includes is consistent, then also means that the connection type of member device in IRF becomes chain from annular
Shape is not IRF division.
In the present embodiment 2, as a preferred embodiment, in above-mentioned steps 302, member device determines son belonging to this equipment
When whether IRF needs to be isolated specific implementation can include:
More again member device the quantity M and N that the network topology collected includes, N is that stored network topology includes
Member device quantity half,
If M is less than N, determine that sub- IRF needs belonging to this equipment are isolated；
If M is greater than N, determine that sub- IRF belonging to this equipment does not need to be isolated；
If M is equal to N, the main equipment before not dividing in sub- IRF belonging to this equipment with the presence or absence of the IRF is identified, such as
Fruit is no, determines that the needs of sub- IRF belonging to this equipment are isolated, if so, determine sub- IRF belonging to this equipment do not need by every
From.
In the present embodiment 2, as a preferred embodiment, in above-mentioned steps 303, the member device be isolated belonging to sub- IRF
When inhibiting affiliated sub- IRF work specific implementation can include:
Block all of the port in this equipment in addition to network management mouth, and notifies other all member devices in affiliated sub- IRF
Block all of the port in addition to network management mouth.
In the present embodiment 2, as a preferred embodiment, in above-mentioned steps 303, the member device control belonging to sub- IRF
It works on when implementing can include:
When M is greater than N, the main equipment before not dividing in sub- IRF belonging to this equipment with the presence or absence of the IRF is identified, if
It is that the member device controls the role before all member devices do not divide according to the IRF in sub- IRF belonging to this equipment to continue
Work, if not, with other in the election contest of other member devices main equipment, with sub- IRF belonging to this equipment in sub- IRF belonging to this equipment
Member device works on according to the role after election contest；
When M is equal to N, the member device controls in sub- IRF belonging to this equipment all member devices according to the IRF not
Role before division works on.
Here, the member device controls before all member devices do not divide according to the IRF in sub- IRF belonging to this equipment
Role work on and include:
When the member device is the main equipment before the IRF is not divided, work according to the role of main equipment, and notify institute
Other member devices work according to from the role of equipment in the sub- IRF belonged to；
When the member device is the slave equipment before the IRF is not divided, work according to from the role of equipment, and notify institute
Belong to the main equipment before the IRF present in sub- IRF is not divided to work according to the role of main equipment, and notifies affiliated sub- IRF
Present in the IRF do not divide before slave equipment according to from the role of equipment work.
Through this embodiment 2 pairs of steps 301 to step 303 restriction, it can be seen that final a, son after IRF division
IRF does not need isolation, can continue to work in a network, and remaining sub- IRF needs are isolated, cannot be in a network
Work, this can prevent the presence of more conflict stackings in network.
Restriction based on the present embodiment 2 to step 301 to step 303, citing description below:
Example 1:
By taking IRF shown in fig. 5 as an example, for ease of description, IRF shown in fig. 5 is known as IRF50 here；Member device 1 is
The Master of IRF50, member device 2,3 is the Standby of IRF50, and in IRF50, the logic stacking opening 51 of member device 1 is straight
The even logic stacking opening 52 of member device 2, the logic stacking opening 54 of the direct-connected member device 3 of logic stacking opening 53 of member device 2.
Before IRF50 is not divided, network topology is the same in the IRF50 that member device 1 to 3 is finally collected, network topology
Middle member device quantity is 3, respectively member device 1 to member device 3；
As the logic stacking opening 51Down of member device 1 (principle of the logic stacking opening Down of other member devices is similar)
When, it is meant that the link between the logic stacking opening 51 of member device 1 and the logic stacking opening 52 of member device 2 disconnects, according to
The present embodiment 2 detects report by the network management mouth broadcast transmission ARP in this equipment to the specific descriptions of step 301, member device 1
Text.
Because the logic stacking opening 52 of member device 2 and the logic stacking opening 51 on member device 1 are direct-connected, member device 2
The logic stacking opening 51Down that member device 1 can be perceived, when member device 2 perceives the logic stacking opening of member device 1
51Down also accordingly determines the logic stacking opening 52Down of direct-connected logic stacking opening 51 on this member device 2, when member device 2
Determine that logic stacking opening 52Down, the description according to the present embodiment to step 301, member device 2 activate the network management in this equipment
Mouthful.After the network management mouth that member device 2 activates in this equipment, 2 one side of member device can be broadcasted by the network management mouth of the activation
ARP probe packet is sent, the ARP probe packet of the transmission of member device 1 on the other hand can be also received by the network management mouth of the activation.
Member device 3 because itself there is no logic stacking opening Down, also, also because and member device 1 it is not direct-connected, will not
Perceive logic stacking opening 51Down, therefore, according to the description of step 301, will not activation network nozzle, and then will not send
ARP probe packet and reception ARP probe packet.
Member device 1 can also receive the ARP probe packet of the transmission of member device 2 by network management mouth.
If logic stacking opening 1Down is not because the power-off of member device 1 causes, but due to network shakiness etc.
Caused by, then member device 1 or member device 2 can be visited after receiving ARP probe packet by network management mouth backtracking ARP
Survey response message；
Member device 1, which is checked, receives ARP detection response message sending in the setting time after ARP probe packet, then
Again the network topology that this equipment is presently in IRF is collected；If member device quantity is in the network topology collected again
1, as member device 1 itself.
Member device 2, which is checked, receives ARP probe response report from the setting time after sending ARP probe packet
Text then collects the network topology that this equipment is presently in IRF again；If in the network topology that member device 2 is collected again
Member device quantity is 2, respectively member device 2 and member device 3；
Member device 1 can find member device quantity in stored network topology (for 3) by comparing and collect again
Network topology in member device quantity (for 1) it is inconsistent, determine IRF50 divide.
Member device 2 can find member device quantity in stored network topology (for 3) by comparing and collect again
Network topology in member device quantity (for 3) it is inconsistent, determine IRF50 divide.
After member device 1 determines IRF50 division, for ease of description, member device 1 is presently in after IRF50 is divided
IRF be known as IRF51, the IRF that member device 2 and member device 3 are presently in is known as IRF52；
Then, member device 1 finds that member device quantity in the network topology of IRF51 collected again is less than and has collected
The half of member device quantity in the network topology of IRF50, member device 1 determine that IRF51 needs are isolated, block in this equipment
All of the port in addition to network management mouth, that is, IRF51 is isolated from network.
Member device 2 finds that member device quantity is greater than the IRF50 collected in the network topology of the IRF52 collected again
Network topology in member device quantity half, member device 2 determine IRF52 do not need to be isolated, then identify that this equipment is worked as
Master when not divided in preceding locating IRF52 with the presence or absence of IRF50, when finding not divide in IRF52 there is no IRF50
Master, then the member device 3 in member device 2 and IRF52 campaigns for Master, if the election contest of member device 2 is Master,
Then member device 2 according to Master role work, also, member device 2 notify IRF52 in member device 3 according to
The role of Standby works.
As can be seen that IRF51, IRF52 after IRF50 division not work on, only although IRF50 is divided
There is IRF52 work, there is no multiple independent conflict IRF in network, and then it is different not will lead to the network services such as route oscillation
Often.
Example 2:
By taking IRF shown in fig. 6 as an example, for ease of description, IRF shown in fig. 6 is known as IRF60 here；Member device 1 is
The Master of IRF60, member device 2 to 4 is the Standby of IRF60, in IRF60, the logic stacking opening 611 of member device 1
The logic of the logic stacking opening 621 of direct-connected member device 2, the direct-connected member device 3 of logic stacking opening 623 of member device 2 stacks
Mouth 632, the logic stacking opening 643 of the direct-connected member device 4 of logic stacking opening 634 of member device 3, the logical stack of member device 4
The logic stacking opening 614 of the folded direct-connected member device 1 of mouth 641.
Before IRF60 is not divided, network topology is the same in the IRF60 that member device 1 to 4 is finally collected, network topology
Middle member device quantity is 4, respectively member device 1 to member device 4；
When logic stacking opening 612Down ((the principle class of the logic stacking opening Down of other member devices of member device 1
Like) when, it is meant that the link between the logic stacking opening 642 of member device 1 and the logic stacking opening 624 of member device 2 disconnects,
According to the present embodiment 2 to the specific descriptions of step 301, member device 1 passes through the network management mouth broadcast transmission ARP detection in this equipment
Message.
Because the logic stacking opening 621 of member device 2 and the logic stacking opening 612 on member device 1 are direct-connected, member device
2 can perceive the logic stacking opening 612Down of member device 1, when member device 2 perceives the logic stacking opening of member device 1
612Down also accordingly determines the logic stacking opening 621Down of direct-connected logic stacking opening 612 on this member device 2, when member sets
Standby 2 determine that logic stacking opening 621Down, the description according to the present embodiment to step 301, member device 2 are activated in this equipment
Network management mouth.After the network management mouth that member device 2 activates in this equipment, 2 one side of member device can pass through the network management mouth of the activation
On the other hand broadcast transmission ARP probe packet can also receive the ARP detection of the transmission of member device 1 by the network management mouth of the activation
Message.
Member device 3, member device 4 be not because itself have logic stacking opening Down, also, because of and member device 1 yet
It is not direct-connected, logic stacking opening 612Down will not be perceived, therefore, according to the description of step 301, will not activation network nozzle, into
And ARP probe packet will not be sent and receive ARP probe packet.
Member device 1 can also receive the ARP probe packet of the transmission of member device 2 by network management mouth.
If logic stacking opening 1Down is not because the power-off of member device 1 causes, but due to network shakiness etc.
Caused by, then member device 1 or member device 2 can be visited after receiving ARP probe packet by network management mouth backtracking ARP
Survey response message；
Member device 1, which is checked, receives ARP detection response message sending in the setting time after ARP probe packet, then
Again the network topology that this equipment is presently in IRF is collected；If member device quantity is in the network topology collected again
4, respectively member device 1 to member device 4；
Member device 2, which is checked, receives ARP detection response message sending in the setting time after ARP probe packet, then
Again the network topology that this equipment is presently in IRF is collected；If member device quantity is in the network topology collected again
4, respectively member device 1 to member device 4.
Member device 1 or member device 2 can find member device quantity in stored network topology by comparing (for 4)
Again member device quantity (for 4) unanimously, determines that IRF50 is not divided in the network topology collected.Only member sets in IRF60
Connection type between standby becomes chain shown in Fig. 7 from annular shown in fig. 6.
Then IRF60 shown in Fig. 7, then after, if the logic stacking opening 643Down of member device 4, it is meant that member
Link between the logic stacking opening 643 of equipment 4 and the logic stacking opening 634 of member device 3 disconnects, right according to the present embodiment 2
The specific descriptions of step 302, member device 4 activate the network management mouth in this equipment.Member device 4 passes through the net activated in this equipment
Nozzle broadcast transmission ARP probe packet.
Because the logic stacking opening 634 of member device 3 and the logic stacking opening 643 on member device 4 are direct-connected, member device
3 can perceive the logic stacking opening 643Down of member device 4, when member device 3 perceives the logic stacking opening of member device 4
643Down also accordingly determines the logic stacking opening 634Down of direct-connected logic stacking opening 643 on this member device 3, when member sets
Standby 3 determine that logic stacking opening 634Down, the description according to the present embodiment to step 301, member device 3 are activated in this equipment
Network management mouth.After the network management mouth that member device 3 activates in this equipment, 3 one side of member device can pass through the network management mouth of the activation
On the other hand broadcast transmission ARP probe packet can also receive the ARP detection of the transmission of member device 4 by the network management mouth of the activation
Message.Member device 4 also will receive the ARP probe packet of 3 broadcast transmission of member device.
As previously mentioned, member device 1 is the Master of IRF50, network management mouth is UP always, and member device 2 is because feeling
It is also activated when knowing the logic stacking opening 612Down on member device 1, is UP's.Therefore, member device 1,2, can also receive
To member device 3, the ARP probe packet of 4 broadcast transmission of member device, and after receiving ARP probe packet, backtracking ARP is visited
Survey response message.
If logic stacking opening 643Down is not because the power-off of member device 4 causes, but due to originals such as network shakinesses
Because caused by, then member device 4 or member device 3 can be visited after receiving ARP probe packet by network management mouth backtracking ARP
Survey response message.
Member device 4, which is checked, receives ARP probe response report from the setting time after sending ARP probe packet
Text then collects the network topology that this equipment is presently in IRF again；If in the network topology that member device 4 is collected again
Member device quantity is 2, respectively member device 1 and member device 4；
Member device 3, which is checked, receives ARP probe response report from the setting time after sending ARP probe packet
Text then collects the network topology that this equipment is presently in IRF again；If in the network topology that member device 3 is collected again
Member device quantity is 2, respectively member device 2 and member device 3；
Member device 4 or member device 3 can find member device quantity in stored network topology by comparing (for 4)
Again member device quantity (for 2) is inconsistent in the network topology collected, and determines IRF60 division shown in Fig. 7.
After member device 4 determines IRF60 division, for ease of description, by after IRF60 shown in Fig. 7 division, member device
4 IRF being presently in are known as IRF61, also include member device 1 in IRF61；The IRF that member device 3 is presently in is known as
It also include member device 2 in IRF62, IRF62.
Member device 4 finds what member device quantity in the network topology of IRF61 collected again was exactly equal to have collected
The half of member device quantity in the network topology of IRF60；Member device 3 it has also been found that the IRF62 collected again network topology
Middle member device quantity is exactly equal to the half of member device quantity in the network topology of the IRF60 collected, according to retouching above
It states, then,
Member device 4 identifies that this equipment is presently in Master when not dividing in IRF61 with the presence or absence of IRF60, as a result
It was found that the Master that there are IRF60 when not dividing in IRF61 i.e. member device 1, determines that IRF61 does not need to be isolated, then controls
System is presently in the role that all member devices continue when not dividing according to IRF60 in IRF61 and works on, that is, member device 1
Because originally in IRF60 being Master, then work according to the role of Master, member device 4 because be in IRF60 originally
Standby continues to work according to the role of Standby.
Member device 3 identifies that this equipment is presently in Master when not dividing in IRF62 with the presence or absence of IRF60, as a result
It was found that Master when not dividing in IRF62 there is no IRF60, determines that IRF62 needs are isolated, then blocks this member device 3
On all of the port in addition to network management mouth and obstruction be presently in IRF62 on member device 2 it is all in addition to network management mouth
Port, that is, isolating IRF62 from network.
By the way that as can be seen that although IRF60 is divided, IRF61, IRF62 after IRF60 division not continue above
Work, only IRF61 work, and there is no multiple independent conflict IRF in network, and then not will lead to the networks such as route oscillation
Service exception.
Embodiment 2 is described above.
It should be noted that in example 2, determine the member device of IRF division after determining IRF division, further
Again the network topology stored before the network topology collected is replaced.And when the logic stacking opening of Down restores normal,
The IRF not divided before restoring.This reset mode is fairly simple, similar to initial creation, is not belonging to emphasis of the invention,
Which is not described herein again.
Method provided by the invention is described above.The apparatus provided by the present invention will be described below:
Referring to Fig. 8, Fig. 8 is structure drawing of device provided by the invention.The device is applied to the member device in IRF, described
IRF includes at least two member devices, and described device includes:
Negotiation element, for when between the logic stacking opening of locating member device and the logic stacking opening of opposite end member device
Link when disconnecting, negotiate whether to determine the IRF by network management mouth on locating member device and the opposite end member device
Division；
Whether determination unit needs for the sub- IRF belonging to when the negotiation element determines IRF division, determining
It is isolated；The sub- IRF is the one of IRF divided by the IRF；
Processing unit, for affiliated sub- IRF to be isolated to inhibit affiliated son when determination unit determination needs to be isolated
IRF work；When the determination unit, which determines, not to be needed to be isolated, controls affiliated sub- IRF and work on.
Preferably, the IRF includes two member devices；
The negotiation element is negotiated to determine that IRF is with the opposite end member device by the network management mouth on locating member device
No division includes:
In main equipment of the locating member device as the IRF, by the network management mouth on locating member device initiate from
The two-way converting of network management mouth of network management mouth on locating member device to opposite end member device detects BFD session, in the BFD of initiation
When session is successfully established, determines the IRF division, when the BFD session of initiation cannot be successfully established, determine that the IRF does not divide
It splits；
In slave equipment of the locating member device as IRF, the network management mouth on locating member device is activated, activation is passed through
Network management mouth initiates the BFD session of the network management mouth from the network management mouth of activation to opposite end member device, successfully builds in the BFD session of initiation
Immediately, it determines the IRF division, when the BFD session of initiation cannot be successfully established, determines that IRF is not divided.
Preferably, the determination unit determines whether sub- IRF belonging to this equipment needs to be isolated to include:
When locating member device is the slave equipment of the IRF, determine that affiliated sub- IRF needs are isolated；
When locating member device is the main equipment of the IRF, determine that affiliated sub- IRF does not need to be isolated；
It includes: to block in this equipment except network management mouth that affiliated sub- IRF, which is isolated, to inhibit affiliated sub- IRF work in the processing unit
Except all of the port；
It includes: to continue to work according to the role of main equipment that the processing unit, which controls affiliated sub- IRF and works on,.
Preferably, which further comprises:
Collector unit, for collecting the network topology of the IRF, network topology includes the member device quantity of the IRF；
Storage unit, the network topology collected for storing the collector unit；
Preferably, the negotiation element is negotiated by the network management mouth on locating member device with the opposite end member device true
Whether the fixed IRF, which divides, includes:
In main equipment of the locating member device as the IRF, the network management mouth passed through on locating member device sends ARP
Probe messages, or in slave equipment of the locating member device as the IRF, the network management mouth on locating member device is activated,
ARP probe packet is sent by the network management mouth of activation；
Check send do not received in the setting time after ARP probe packet link disconnect before connect opposite end member set
The ARP detection response message that preparation is sent then confirms that IRF is not divided, checks and is sending in the setting time after ARP probe packet
The ARP detection response message that the opposite end member device connected before link disconnects is sent is received, then touching makes the collector unit again
Collect the network topology that this equipment is presently in IRF, the member that the stored network topology of storage unit includes
The member device quantity that the network topology that number of devices and the collector unit are collected again includes determines if the two is inconsistent
The IRF division, if the two is consistent, determines that the IRF is not divided.
Preferably, the determination determines whether affiliated sub- IRF needs to be isolated to include:
Compare member device quantity M and N that the network topology that the collector unit is collected again includes, N is the storage
The half for the member device quantity that the stored network topology of unit includes,
If M is less than N, determine that affiliated sub- IRF needs are isolated；
If M is greater than N, determine that affiliated sub- IRF does not need to be isolated；
If M is equal to N, the main equipment before not dividing in affiliated sub- IRF with the presence or absence of the IRF is identified, if not, really
Sub- IRF needs belonging to fixed are isolated, if so, the sub- IRF belonging to determining does not need to be isolated.
Preferably, it includes: to block locating member that affiliated sub- IRF, which is isolated, to inhibit affiliated sub- IRF work in the processing unit
All of the port in equipment in addition to network management mouth, and all member devices obstructions of other in sub- IRF belonging to notifying except network management mouth it
Outer all of the port.
Preferably, it includes: to know in affiliated sub- IRF when M is greater than N that the processing unit, which controls affiliated sub- IRF and works on,
Main equipment before not divided with the presence or absence of the IRF, if so, all member devices are according to the IRF in sub- IRF belonging to controlling
Role before not dividing works on, if not, main equipment is campaigned for other member devices in affiliated sub- IRF, with affiliated sub- IRF
In other member devices work on according to the role after election contest；
When M is equal to N, controls the role before all member devices do not divide according to the IRF in affiliated sub- IRF and continue work
Make.
So far, device description shown in Fig. 8 is completed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (13)
1. a kind of prevent the method stacked that more conflicts, which is characterized in that this method is applied to the member in intelligent elastic framework IRF
Equipment, the IRF include at least two member devices, which comprises
When the link between the logic stacking opening of member device and the logic stacking opening of opposite end member device disconnects, the member
Equipment negotiates to determine whether the IRF divides with the opposite end member device by the network management mouth in this equipment；
When determining IRF division, the member device determines whether sub- IRF belonging to this equipment needs to be isolated；It is described
Sub- IRF is the one of IRF divided by the IRF；
When determine need to be isolated when, the member device be isolated belonging to sub- IRF with sub- IRF work belonging to inhibiting；
When determination does not need to be isolated, the member device controls affiliated sub- IRF and works on；
Before the method further include: collect and store the network topology of the IRF, network topology includes the member of the IRF
Number of devices；
The member device is negotiated to determine whether the IRF divides with the opposite end member device by the network management mouth in this equipment
When including: main equipment of the member device as the IRF, ARP probe packet is sent by the network management mouth in this equipment, or
When slave equipment of the person as the IRF, the network management mouth in this equipment is activated, passes through the network management mouth activated in this equipment and sends ARP
Probe messages；The member device checks that this equipment does not receive this equipment sending in the setting time after ARP probe packet
The ARP detection response message that the opposite end member device connected before link disconnects is sent, then confirm that IRF is not divided, checks this
Equipment is sending the opposite end member device hair for receiving this equipment in the setting time after ARP probe packet and connecting before link disconnects
The ARP detection response message sent then collects the network topology that this equipment is presently in IRF, more stored network again
The member device quantity that member device quantity that topology includes and the network topology collected again include, if the two is inconsistent, really
The fixed IRF division, if the two is consistent, determines that the IRF is not divided.
2. the method according to claim 1, wherein the IRF includes two member devices；
The member device is negotiated to determine whether IRF divides packet with the opposite end member device by the network management mouth in this equipment
It includes:
When main equipment of the member device as the IRF, the network management from this equipment is initiated by the network management mouth in this equipment
Mouthful to opposite end member device network management mouth two-way converting detect BFD session, when the BFD session of initiation is successfully established, determine
The IRF division, when the BFD session of initiation cannot be successfully established, determines that the IRF is not divided；
When slave equipment of the member device as IRF, activate the network management mouth in this equipment, by the network management mouth of activation initiate from
The BFD session of network management mouth of the network management mouth of activation to opposite end member device determines institute when the BFD session of initiation is successfully established
IRF division is stated, when the BFD session of initiation cannot be successfully established, determines that IRF is not divided.
3. according to the method described in claim 2, it is characterized in that, the member device determines that sub- IRF belonging to this equipment is
No needs, which are isolated, includes:
When the member device is the slave equipment of the IRF, determine that sub- IRF needs belonging to this equipment are isolated；
When the member device is the main equipment of the IRF, determine that sub- IRF belonging to this equipment does not need to be isolated；
It includes: to block in this equipment in addition to network management mouth that affiliated sub- IRF, which is isolated, to inhibit affiliated sub- IRF work in the member device
All of the port；
It includes: to continue to work according to the role of main equipment that the member device, which controls affiliated sub- IRF and works on,.
4. the method according to claim 1, wherein the member device determines that sub- IRF belonging to this equipment is
No needs, which are isolated, includes:
Member device the quantity M and N that the network topology that the member device is collected more again includes, N is stored network
The half for the member device quantity that topology includes,
If M is less than N, determine that sub- IRF needs belonging to this equipment are isolated；
If M is greater than N, determine that sub- IRF belonging to this equipment does not need to be isolated；
If M is equal to N, the main equipment before not dividing in sub- IRF belonging to this equipment with the presence or absence of the IRF is identified, if not,
Determine that sub- IRF needs belonging to this equipment are isolated, if so, determining that sub- IRF belonging to this equipment does not need to be isolated.
5. according to the method described in claim 4, it is characterized in that, affiliated sub- IRF is isolated to inhibit affiliated in the member device
Sub- IRF works
Block all of the port in this equipment in addition to network management mouth, and notifies all member devices obstructions of other in affiliated sub- IRF
All of the port in addition to network management mouth.
6. according to the method described in claim 4, the packet it is characterized in that, sub- IRF belonging to member device control works on
It includes:
When M is greater than N, the main equipment before not dividing in sub- IRF belonging to this equipment with the presence or absence of the IRF is identified, if so, institute
It states member device and controls the role before all member devices do not divide according to the IRF in sub- IRF belonging to this equipment and work on,
If not, campaigning for other members in main equipment, with sub- IRF belonging to this equipment with other member devices in sub- IRF belonging to this equipment
Equipment works on according to the role after election contest；
When M is equal to N, the member device controls all member devices in sub- IRF belonging to this equipment and does not divide according to the IRF
Preceding role works on.
7. according to the method described in claim 6, it is characterized in that, the member device controls institute in sub- IRF belonging to this equipment
Role before having member device not divide according to the IRF, which works on, includes:
When the member device is the main equipment of the IRF, work according to the role of main equipment, and notify in affiliated sub- IRF
Other member devices work according to from the role of equipment；
It when the member device is the slave equipment of the IRF, works according to from the role of equipment, and notifies to deposit in affiliated sub- IRF
The IRF do not divide before main equipment work according to the role of main equipment, and belonging to notifying it is described present in sub- IRF
Slave equipment before IRF is not divided works according to from the role of equipment.
8. a kind of prevent the device stacked that more conflicts, which is characterized in that the device is applied to the member in intelligent elastic framework IRF
Equipment, the IRF include at least two member devices, and described device includes:
Negotiation element, for when the chain between the logic stacking opening of locating member device and the logic stacking opening of opposite end member device
When road disconnects, negotiate to determine whether the IRF divides with the opposite end member device by the network management mouth on locating member device；
Determination unit, for when the negotiation element determine the IRF division when, determine belonging to sub- IRF whether need by every
From；The sub- IRF is the one of IRF divided by the IRF；
Processing unit, for when determination unit determination needs to be isolated, affiliated sub- IRF to be isolated to inhibit affiliated sub- IRF
Work；When the determination unit, which determines, not to be needed to be isolated, controls affiliated sub- IRF and work on；
Described device further include:
Collector unit, for collecting the network topology of the IRF, network topology includes the member device quantity of the IRF；
Storage unit, the network topology collected for storing the collector unit；
The negotiation element is negotiated to determine that the IRF is with the opposite end member device by the network management mouth on locating member device
No division includes:
In main equipment of the locating member device as the IRF, passes through the network management mouth on locating member device and send ARP detection
Message, or in slave equipment of the locating member device as the IRF, activate the network management mouth on locating member device, pass through
The network management mouth of activation sends ARP probe packet；
It checks and is sending the opposite end member device hair for not receiving in the setting time after ARP probe packet and connecting before link disconnects
The ARP detection response message sent then confirms that IRF is not divided, checks and receives sending in the setting time after ARP probe packet
The ARP detection response message that the opposite end member device that link connects before disconnecting is sent, then touching collects the collector unit again
This equipment is presently in the network topology in IRF, the member device that the stored network topology of storage unit includes
The member device quantity that the network topology that quantity and the collector unit are collected again includes, if the two is inconsistent, described in determination
IRF division, if the two is consistent, determines that the IRF is not divided.
9. device according to claim 8, which is characterized in that the IRF includes two member devices；
The negotiation element is negotiated to determine whether IRF divides with the opposite end member device by the network management mouth on locating member device
It splits and includes:
In main equipment of the locating member device as the IRF, initiated by the network management mouth on locating member device from locating
The two-way converting of network management mouth of network management mouth on member device to opposite end member device detects BFD session, in the BFD session of initiation
When being successfully established, determines the IRF division, when the BFD session of initiation cannot be successfully established, determine that the IRF is not divided；
In slave equipment of the locating member device as IRF, the network management mouth on locating member device is activated, the network management of activation is passed through
The BFD session for mouthful initiating the network management mouth from the network management mouth of activation to opposite end member device, is successfully established in the BFD session of initiation
When, it determines the IRF division, when the BFD session of initiation cannot be successfully established, determines that IRF is not divided.
10. device according to claim 9, which is characterized in that the determination unit determines that sub- IRF belonging to this equipment is
No needs, which are isolated, includes:
When locating member device is the slave equipment of the IRF, determine that affiliated sub- IRF needs are isolated；
When locating member device is the main equipment of the IRF, determine that affiliated sub- IRF does not need to be isolated；
It includes: to block in this equipment in addition to network management mouth that affiliated sub- IRF, which is isolated, to inhibit affiliated sub- IRF work in the processing unit
All of the port；
It includes: to continue to work according to the role of main equipment that the processing unit, which controls affiliated sub- IRF and works on,.
11. device according to claim 8, which is characterized in that it is described it is determining determine belonging to sub- IRF whether need by every
From including:
Compare member device quantity M and N that the network topology that the collector unit is collected again includes, N is the storage unit
The half for the member device quantity that stored network topology includes,
If M is less than N, determine that affiliated sub- IRF needs are isolated；
If M is greater than N, determine that affiliated sub- IRF does not need to be isolated；
If M is equal to N, the main equipment before not dividing in affiliated sub- IRF with the presence or absence of the IRF is identified, if not, determining institute
The sub- IRF needs belonged to are isolated, if so, the sub- IRF belonging to determining does not need to be isolated.
12. device according to claim 11, which is characterized in that affiliated sub- IRF is isolated to inhibit in the processing unit
Belonging to sub- IRF work includes: all of the port blocked on locating member device in addition to network management mouth, and notifies its in affiliated sub- IRF
His all member devices block all of the port in addition to network management mouth.
13. device according to claim 11, which is characterized in that the processing unit controls affiliated sub- IRF and works on
It include: to know the main equipment before not dividing in affiliated sub- IRF with the presence or absence of the IRF when M is greater than N, if so, belonging to control
Role before all member devices do not divide according to the IRF in sub- IRF works on, if not, with other in affiliated sub- IRF
Other member devices work on according to the role after election contest in member device election contest main equipment, with affiliated sub- IRF；
When M is equal to N, controls the role before all member devices do not divide according to the IRF in affiliated sub- IRF and work on.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111185.8A CN106034038B (en) | 2015-03-13 | 2015-03-13 | Prevent the method and apparatus stacked that more conflict |
| PCT/CN2016/076117 WO2016146022A1 (en) | 2015-03-13 | 2016-03-11 | Preventing multiple conflicting stacks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111185.8A CN106034038B (en) | 2015-03-13 | 2015-03-13 | Prevent the method and apparatus stacked that more conflict |
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| CN106034038A CN106034038A (en) | 2016-10-19 |
| CN106034038B true CN106034038B (en) | 2019-04-12 |
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| CN106953750B (en) * | 2017-03-09 | 2020-12-04 | 新华三技术有限公司 | Detection path establishing method and device |
| CN106921527B (en) * | 2017-04-27 | 2019-08-06 | 新华三技术有限公司 | The processing method and processing device of stacking conflict |
| CN107547285B (en) * | 2017-09-25 | 2021-04-16 | 新华三信息安全技术有限公司 | Configuration information storage method and device |
| CN109039728B (en) * | 2018-07-24 | 2021-08-03 | 烽火通信科技股份有限公司 | BFD-based flow congestion detection method and system |
| CN111224803B (en) * | 2018-11-23 | 2023-08-04 | 中兴通讯股份有限公司 | Multi-master detection method in stacking system and stacking system |
| CN110505090A (en) * | 2019-08-21 | 2019-11-26 | 新华三大数据技术有限公司 | A kind of IRF port controlling method and device |
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| CN106034038A (en) | 2016-10-19 |
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